diff --git a/src/lib/ae_core_functions.ts b/src/lib/ae_core_functions.ts
index 9d27db97..aa35d2b7 100644
--- a/src/lib/ae_core_functions.ts
+++ b/src/lib/ae_core_functions.ts
@@ -319,7 +319,12 @@ async function handle_download_export__obj_type(
     }
     params['return_file'] = true;
 
-    ae_promises.download__sponsorship_export_file = await api.get_object({api_cfg: api_cfg, endpoint: endpoint, params: params, return_blob: return_file, filename: filename, auto_download: auto_download, log_lvl: log_lvl});
+    // let clean_filename = filename.replace(/[^a-z0-9]/gi, '_');
+    // let clean_filename = filename.replace(/[^a-z0-9\[\]-]/gi, '_');
+    let clean_filename = filename.replace(/[^a-zA-Z0-9\[\]-_.]/gi, '_');
+    // let clean_filename = filename.replace(/[^a-zA-Z0-9\[\]-\._ ]/gi, '_');
+
+    ae_promises.download__sponsorship_export_file = await api.get_object({api_cfg: api_cfg, endpoint: endpoint, params: params, return_blob: return_file, filename: clean_filename, auto_download: auto_download, log_lvl: log_lvl});
 
     console.log('ae_promises.download__sponsorship_export_file:', ae_promises.download__sponsorship_export_file);
     return ae_promises.download__sponsorship_export_file;
diff --git a/src/lib/ae_utils.ts b/src/lib/ae_utils.ts
index 392628f2..cdcf4305 100644
--- a/src/lib/ae_utils.ts
+++ b/src/lib/ae_utils.ts
@@ -4,7 +4,10 @@ type key_val = {
     [key: string]: any;
 };
 
-export let iso_datetime_formatter = function iso_datetime_formatter(raw_datetime: string|Date, named_format: string) {
+export let iso_datetime_formatter = function iso_datetime_formatter(
+    raw_datetime: null|string|Date = null,
+    named_format: string = 'datetime_iso_no_seconds', // date_iso, datetime_iso_no_seconds
+    ) {
     // console.log('*** iso_datetime_formatter() ***');
 
     // https://en.wikipedia.org/wiki/ISO_8601
diff --git a/src/routes/events_leads/exhibit/[slug]/leads_list.svelte b/src/routes/events_leads/exhibit/[slug]/leads_list.svelte
index e978a5bc..2f67bade 100644
--- a/src/routes/events_leads/exhibit/[slug]/leads_list.svelte
+++ b/src/routes/events_leads/exhibit/[slug]/leads_list.svelte
@@ -160,7 +160,7 @@ let refresh_leads_list = setInterval(function () {
 <button
     type="button"
     on:click={() => {
-        if (!confirm('Download exported data Excel file?')) {
+        if (!confirm('Download data exported to an Excel file?')) {
             return false;
         }
         ae_promises.download__exhibit_tracking_export = events_func.handle_download_export__event_exhibit_tracking({
diff --git a/src/routes/events_leads/exhibit/[slug]/leads_manage.svelte b/src/routes/events_leads/exhibit/[slug]/leads_manage.svelte
index 44ddf249..250d45ac 100644
--- a/src/routes/events_leads/exhibit/[slug]/leads_manage.svelte
+++ b/src/routes/events_leads/exhibit/[slug]/leads_manage.svelte
@@ -404,7 +404,7 @@ $: if ($events_slct.exhibit_id) {
 <button
     type="button"
     on:click={() => {
-        if (!confirm('Download exported data Excel file?')) {
+        if (!confirm('Download data exported to an Excel file?')) {
             return false;
         }
         ae_promises.download__exhibit_tracking_export = events_func.handle_download_export__event_exhibit_tracking({
diff --git a/src/routes/events_speakers/+page.svelte b/src/routes/events_speakers/+page.svelte
index 54b77ac5..f056f68a 100644
--- a/src/routes/events_speakers/+page.svelte
+++ b/src/routes/events_speakers/+page.svelte
@@ -395,7 +395,7 @@ async function handle_load_ae_obj_id__event_presenter({event_presenter_id, try_c
                 for_obj_id: $slct.account_id,
                 file_type: 'Excel',
                 return_file: true,
-                filename: `speakers_export_${$ae_loc.account_code.replaceAll(' ', '_')}.xlsx`,
+                filename: `${$ae_loc.account_code}_Speakers_Hub_export_${ae_util.iso_datetime_formatter()}.xlsx`,
                 auto_download: true,
                 log_lvl: 2
                 });
diff --git a/src/routes/sponsorships/+page.svelte b/src/routes/sponsorships/+page.svelte
index 7848b77e..b2cfa074 100644
--- a/src/routes/sponsorships/+page.svelte
+++ b/src/routes/sponsorships/+page.svelte
@@ -397,15 +397,17 @@ async function handle_load_ae_obj_id__sponsorship({sponsorship_id, try_cache=fal
     <button
         type="button"
         on:click={() => {
-            if (!confirm('Download exported data Excel file?')) {
+            if (!confirm('Download data exported to an Excel file?')) {
                 return false;
             }
-            ae_promises.download__sponsorships_export = spons_func.handle_download_export__sponsorship({
+            ae_promises.download__sponsorships_export = core_func.handle_download_export__obj_type({
                 api_cfg: $ae_api,
-                account_id: $slct.account_id,
+                get_obj_type: 'event_presenter',
+                for_obj_type: 'account',
+                for_obj_id: $slct.account_id,
                 file_type: 'Excel',
                 return_file: true,
-                filename: `sponsors_export_${$ae_loc.account_code.replaceAll(' ', '_')}.xlsx`,
+                filename: `${$ae_loc.account_code}_Sponsor_Hub_export_${ae_util.iso_datetime_formatter()}.xlsx`,
                 auto_download: true,
                 log_lvl: 2
                 });